613611513025 has 48 divisors (see below), whose sum is σ = 899271331840. Its totient is φ = 406442836800.

The previous prime is 613611513007. The next prime is 613611513071. The reversal of 613611513025 is 520315116316.

It is not a de Polignac number, because 613611513025 - 2⁹ = 613611512513 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2864086 + ... + 3070864.

Almost surely, 2^613611513025 is an apocalyptic number.

It is an amenable number.

613611513025 is a deficient number, since it is larger than the sum of its proper divisors (285659818815).

613611513025 is a wasteful number, since it uses less digits than its factorization.

613611513025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207374 (or 207369 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 34.

The spelling of 613611513025 in words is "six hundred thirteen billion, six hundred eleven million, five hundred thirteen thousand, twenty-five".